ADUs are allowed in Unincorporated PuebloTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Pueblo, CO
Is your property eligible for an ADU?
# of Parcels
53,179
Zoning districts
23
Avg Parcel Value
$194,215
Zoning Districts:
53,678 parcels · 23 districts
SR2
31%(16,875)
RR
21%(11,524)
A1
16%(8,507)
A3
11%(5,886)
Other
20%(10,886)
ADU Rules
What can you build in Unincorporated Pueblo, CO?
Unincorporated Pueblo, CO follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size up to the entire existing principal dwelling’s floor area
- –Maximum size of 40% of the principal dwelling’s floor area excluding basements
- –Maximum size capped by lot area: 900 sq ft (<15,000 sq ft lot), 1,000 sq ft (15,000–100,000 sq ft), or 1,200 sq ft (>100,000 sq ft)
Detached ADU Size Limits
- –Maximum detached ADU size is the lesser of 40% of the principal dwelling’s floor area excluding basement or a fixed cap by lot size: 900 sq ft (<15,000 sq ft), 1,000 sq ft (15,000–100,000 sq ft), or 1,200 sq ft (>100,000 sq ft).
Max Units
- –A1–A2: 1 ADU/lot + 1 accessory farmstead dwelling/lot
- –A3, RR, SR1–SR2, LR, HR: 1 ADU/lot
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –No min/max stated; exception allows backing parking across a public ROW for ADUs; countywide reductions exist (not ADU-specific); caretaker’s ADU requires 1 off-street space, not applicable to standard ADUs.
Rental Restrictions
- –Short-term rentals are governed by countywide rules: stays 28 days or less per party and the entire unit must be rented under a single reservation.
ADU State Law
What can you build in Colorado?
- –ADUs must be approved based on objective standards; no discretionary hearings allowed.
- –Historic properties: Local historic review may still apply in designated historic districts.
- –Exempt parcels: ADUs are not required to be allowed on parcels without adequate water/sewer, in floodways, or on certain historic properties.
- –HOAs cannot prohibit ADUs: HOA rules that conflict with the state ADU law are void.
- –Parking exceptions exist: In rare cases, one parking space may be required if there is no existing off-street parking and on-street parking is prohibited.
- –Local rules still matter: Building code, fire code, utility capacity, and life-safety standards still apply.
- –More permissive is allowed: Municipalities may allow larger ADUs, multiple ADUs, or additional housing types beyond what the state requires.
- –Local zoning controls whether ADUs are allowed at all.
- –HOA rules may still apply.
- –More permissive local rules are allowed.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Colorado municipalities
Rules change at the town line. Check the municipality your property is actually in.
Pueblo County